Mewtwo-Mega-Y @ Twisted Spoon  
Ability: Psychic Surge  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
IVs: 0 Atk  
- Future Sight  
- Psycho Boost  
- Moonblast  
- Leech Seed  

Groudon-Primal @ Choice Band  
Ability: Tinted Lens  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Adamant Nature  
- V-create  
- Crabhammer  
- Transform  
- Baton Pass  

Chansey @ Eviolite  
Ability: Imposter  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Impish Nature  
- Fake Out  
- Whirlwind  
- Final Gambit  
- Soft-Boiled  

Giratina @ Eject Button  
Ability: Fur Coat  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD / 252 Spe  
Careful Nature  
- Heal Order  
- Skill Swap  
- Toxic Spikes  
- Spectral Thief  

Audino-Mega @ Safety Goggles  
Ability: Soundproof  
Level: 98  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Sassy Nature  
IVs: 0 Spe  
- U-turn  
- Spore  
- Defog  
- Shore Up  

Lugia @ Safety Goggles  
Ability: Prankster  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD  
Serious Nature  
IVs: 0 Atk / 0 Spe  
- Shore Up  
- Haze  
- Glare  
- Core Enforcer